//////////////////////////////////////////////////////////////////////////////////
//
// ActionScript 3.0 Common Library (MIT License)
// Copyright (c) 2009 AS3CommonCode | Tony Birleffi | http://www.mosaiceye.com
// 
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
//////////////////////////////////////////////////////////////////////////////////

package org.as3commoncode.utils
{
	/**
	 * Color utility class with usufull color methods.
	 * 
	 * @author Tony Birleffi
	 * 
	 * TODO: Add help examples.
	 */
	public class ColorUtil 
	{
		/**
		 * Converts rgb color values to hex.
		 * 
		 * @param r		red
		 * @param g		green
		 * @param b		blue
		 * @return Number.
		 */
		public static function rgbToHex(r:Number, g:Number, b:Number):Number
		{
	        return (r << 16 | g << 8 | b);
		}
		
		/**
		 * Converts a hex color number to an object with r, g, b properties.
		 * 
		 * @param hex		the hex color number.
		 * @return Object.
		 */
		public static function hexToRGB(hex:Number):Object
		{
			// Bitwise shift the hex numbers.
	        var red:Number = hex >> 16;
	        var grnBlu:Number = hex - (red << 16);
	        var grn:Number = grnBlu >> 8;
	        var blu:Number = grnBlu - (grn << 8);
	        
	        // Return the new object
	        return({ r:red, g:grn, b:blu });
		}
	}
}
